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      1 /*
      2  * wpa_supplicant - Internal definitions
      3  * Copyright (c) 2003-2014, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #ifndef WPA_SUPPLICANT_I_H
     10 #define WPA_SUPPLICANT_I_H
     11 
     12 #include "utils/list.h"
     13 #include "common/defs.h"
     14 #include "common/sae.h"
     15 #include "common/wpa_ctrl.h"
     16 #include "wps/wps_defs.h"
     17 #include "config_ssid.h"
     18 
     19 extern const char *wpa_supplicant_version;
     20 extern const char *wpa_supplicant_license;
     21 #ifndef CONFIG_NO_STDOUT_DEBUG
     22 extern const char *wpa_supplicant_full_license1;
     23 extern const char *wpa_supplicant_full_license2;
     24 extern const char *wpa_supplicant_full_license3;
     25 extern const char *wpa_supplicant_full_license4;
     26 extern const char *wpa_supplicant_full_license5;
     27 #endif /* CONFIG_NO_STDOUT_DEBUG */
     28 
     29 struct wpa_sm;
     30 struct wpa_supplicant;
     31 struct ibss_rsn;
     32 struct scan_info;
     33 struct wpa_bss;
     34 struct wpa_scan_results;
     35 struct hostapd_hw_modes;
     36 struct wpa_driver_associate_params;
     37 
     38 /*
     39  * Forward declarations of private structures used within the ctrl_iface
     40  * backends. Other parts of wpa_supplicant do not have access to data stored in
     41  * these structures.
     42  */
     43 struct ctrl_iface_priv;
     44 struct ctrl_iface_global_priv;
     45 struct wpas_dbus_priv;
     46 
     47 /**
     48  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
     49  */
     50 struct wpa_interface {
     51 	/**
     52 	 * confname - Configuration name (file or profile) name
     53 	 *
     54 	 * This can also be %NULL when a configuration file is not used. In
     55 	 * that case, ctrl_interface must be set to allow the interface to be
     56 	 * configured.
     57 	 */
     58 	const char *confname;
     59 
     60 	/**
     61 	 * confanother - Additional configuration name (file or profile) name
     62 	 *
     63 	 * This can also be %NULL when the additional configuration file is not
     64 	 * used.
     65 	 */
     66 	const char *confanother;
     67 
     68 #ifdef CONFIG_P2P
     69 	/**
     70 	 * conf_p2p_dev - Additional configuration file used to hold the
     71 	 * P2P Device configuration parameters.
     72 	 *
     73 	 * This can also be %NULL. In such a case, if a P2P Device dedicated
     74 	 * interfaces is created, the main configuration file will be used.
     75 	 */
     76 	const char *conf_p2p_dev;
     77 #endif /* CONFIG_P2P */
     78 
     79 	/**
     80 	 * ctrl_interface - Control interface parameter
     81 	 *
     82 	 * If a configuration file is not used, this variable can be used to
     83 	 * set the ctrl_interface parameter that would have otherwise been read
     84 	 * from the configuration file. If both confname and ctrl_interface are
     85 	 * set, ctrl_interface is used to override the value from configuration
     86 	 * file.
     87 	 */
     88 	const char *ctrl_interface;
     89 
     90 	/**
     91 	 * driver - Driver interface name, or %NULL to use the default driver
     92 	 */
     93 	const char *driver;
     94 
     95 	/**
     96 	 * driver_param - Driver interface parameters
     97 	 *
     98 	 * If a configuration file is not used, this variable can be used to
     99 	 * set the driver_param parameters that would have otherwise been read
    100 	 * from the configuration file. If both confname and driver_param are
    101 	 * set, driver_param is used to override the value from configuration
    102 	 * file.
    103 	 */
    104 	const char *driver_param;
    105 
    106 	/**
    107 	 * ifname - Interface name
    108 	 */
    109 	const char *ifname;
    110 
    111 	/**
    112 	 * bridge_ifname - Optional bridge interface name
    113 	 *
    114 	 * If the driver interface (ifname) is included in a Linux bridge
    115 	 * device, the bridge interface may need to be used for receiving EAPOL
    116 	 * frames. This can be enabled by setting this variable to enable
    117 	 * receiving of EAPOL frames from an additional interface.
    118 	 */
    119 	const char *bridge_ifname;
    120 
    121 	/**
    122 	 * p2p_mgmt - Interface used for P2P management (P2P Device operations)
    123 	 *
    124 	 * Indicates whether wpas_p2p_init() must be called for this interface.
    125 	 * This is used only when the driver supports a dedicated P2P Device
    126 	 * interface that is not a network interface.
    127 	 */
    128 	int p2p_mgmt;
    129 };
    130 
    131 /**
    132  * struct wpa_params - Parameters for wpa_supplicant_init()
    133  */
    134 struct wpa_params {
    135 	/**
    136 	 * daemonize - Run %wpa_supplicant in the background
    137 	 */
    138 	int daemonize;
    139 
    140 	/**
    141 	 * wait_for_monitor - Wait for a monitor program before starting
    142 	 */
    143 	int wait_for_monitor;
    144 
    145 	/**
    146 	 * pid_file - Path to a PID (process ID) file
    147 	 *
    148 	 * If this and daemonize are set, process ID of the background process
    149 	 * will be written to the specified file.
    150 	 */
    151 	char *pid_file;
    152 
    153 	/**
    154 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
    155 	 */
    156 	int wpa_debug_level;
    157 
    158 	/**
    159 	 * wpa_debug_show_keys - Whether keying material is included in debug
    160 	 *
    161 	 * This parameter can be used to allow keying material to be included
    162 	 * in debug messages. This is a security risk and this option should
    163 	 * not be enabled in normal configuration. If needed during
    164 	 * development or while troubleshooting, this option can provide more
    165 	 * details for figuring out what is happening.
    166 	 */
    167 	int wpa_debug_show_keys;
    168 
    169 	/**
    170 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
    171 	 */
    172 	int wpa_debug_timestamp;
    173 
    174 	/**
    175 	 * ctrl_interface - Global ctrl_iface path/parameter
    176 	 */
    177 	char *ctrl_interface;
    178 
    179 	/**
    180 	 * ctrl_interface_group - Global ctrl_iface group
    181 	 */
    182 	char *ctrl_interface_group;
    183 
    184 	/**
    185 	 * dbus_ctrl_interface - Enable the DBus control interface
    186 	 */
    187 	int dbus_ctrl_interface;
    188 
    189 	/**
    190 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
    191 	 */
    192 	const char *wpa_debug_file_path;
    193 
    194 	/**
    195 	 * wpa_debug_syslog - Enable log output through syslog
    196 	 */
    197 	int wpa_debug_syslog;
    198 
    199 	/**
    200 	 * wpa_debug_tracing - Enable log output through Linux tracing
    201 	 */
    202 	int wpa_debug_tracing;
    203 
    204 	/**
    205 	 * override_driver - Optional driver parameter override
    206 	 *
    207 	 * This parameter can be used to override the driver parameter in
    208 	 * dynamic interface addition to force a specific driver wrapper to be
    209 	 * used instead.
    210 	 */
    211 	char *override_driver;
    212 
    213 	/**
    214 	 * override_ctrl_interface - Optional ctrl_interface override
    215 	 *
    216 	 * This parameter can be used to override the ctrl_interface parameter
    217 	 * in dynamic interface addition to force a control interface to be
    218 	 * created.
    219 	 */
    220 	char *override_ctrl_interface;
    221 
    222 	/**
    223 	 * entropy_file - Optional entropy file
    224 	 *
    225 	 * This parameter can be used to configure wpa_supplicant to maintain
    226 	 * its internal entropy store over restarts.
    227 	 */
    228 	char *entropy_file;
    229 };
    230 
    231 struct p2p_srv_bonjour {
    232 	struct dl_list list;
    233 	struct wpabuf *query;
    234 	struct wpabuf *resp;
    235 };
    236 
    237 struct p2p_srv_upnp {
    238 	struct dl_list list;
    239 	u8 version;
    240 	char *service;
    241 };
    242 
    243 /**
    244  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
    245  *
    246  * This structure is initialized by calling wpa_supplicant_init() when starting
    247  * %wpa_supplicant.
    248  */
    249 struct wpa_global {
    250 	struct wpa_supplicant *ifaces;
    251 	struct wpa_params params;
    252 	struct ctrl_iface_global_priv *ctrl_iface;
    253 	struct wpas_dbus_priv *dbus;
    254 	void **drv_priv;
    255 	size_t drv_count;
    256 	struct os_time suspend_time;
    257 	struct p2p_data *p2p;
    258 	struct wpa_supplicant *p2p_init_wpa_s;
    259 	struct wpa_supplicant *p2p_group_formation;
    260 	struct wpa_supplicant *p2p_invite_group;
    261 	u8 p2p_dev_addr[ETH_ALEN];
    262 	struct os_reltime p2p_go_wait_client;
    263 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
    264 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
    265 	int p2p_disabled;
    266 	int cross_connection;
    267 	struct wpa_freq_range_list p2p_disallow_freq;
    268 	struct wpa_freq_range_list p2p_go_avoid_freq;
    269 	enum wpa_conc_pref {
    270 		WPA_CONC_PREF_NOT_SET,
    271 		WPA_CONC_PREF_STA,
    272 		WPA_CONC_PREF_P2P
    273 	} conc_pref;
    274 	unsigned int p2p_per_sta_psk:1;
    275 	unsigned int p2p_fail_on_wps_complete:1;
    276 
    277 #ifdef CONFIG_WIFI_DISPLAY
    278 	int wifi_display;
    279 #define MAX_WFD_SUBELEMS 10
    280 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
    281 #endif /* CONFIG_WIFI_DISPLAY */
    282 
    283 	struct psk_list_entry *add_psk; /* From group formation */
    284 };
    285 
    286 
    287 /**
    288  * struct wpa_radio - Internal data for per-radio information
    289  *
    290  * This structure is used to share data about configured interfaces
    291  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
    292  * better coordination of offchannel operations.
    293  */
    294 struct wpa_radio {
    295 	char name[16]; /* from driver_ops get_radio_name() or empty if not
    296 			* available */
    297 	struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
    298 	struct dl_list work; /* struct wpa_radio_work::list entries */
    299 };
    300 
    301 /**
    302  * struct wpa_radio_work - Radio work item
    303  */
    304 struct wpa_radio_work {
    305 	struct dl_list list;
    306 	unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
    307 	const char *type;
    308 	struct wpa_supplicant *wpa_s;
    309 	void (*cb)(struct wpa_radio_work *work, int deinit);
    310 	void *ctx;
    311 	unsigned int started:1;
    312 	struct os_reltime time;
    313 };
    314 
    315 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
    316 		   const char *type, int next,
    317 		   void (*cb)(struct wpa_radio_work *work, int deinit),
    318 		   void *ctx);
    319 void radio_work_done(struct wpa_radio_work *work);
    320 void radio_remove_works(struct wpa_supplicant *wpa_s,
    321 			const char *type, int remove_all);
    322 void radio_work_check_next(struct wpa_supplicant *wpa_s);
    323 int radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
    324 
    325 struct wpa_connect_work {
    326 	unsigned int sme:1;
    327 	struct wpa_bss *bss;
    328 	struct wpa_ssid *ssid;
    329 };
    330 
    331 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
    332 			struct wpa_ssid *test_ssid);
    333 void wpas_connect_work_free(struct wpa_connect_work *cwork);
    334 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
    335 
    336 struct wpa_external_work {
    337 	unsigned int id;
    338 	char type[100];
    339 	unsigned int timeout;
    340 };
    341 
    342 /**
    343  * offchannel_send_action_result - Result of offchannel send Action frame
    344  */
    345 enum offchannel_send_action_result {
    346 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
    347 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
    348 				       */,
    349 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
    350 				       */
    351 };
    352 
    353 struct wps_ap_info {
    354 	u8 bssid[ETH_ALEN];
    355 	enum wps_ap_info_type {
    356 		WPS_AP_NOT_SEL_REG,
    357 		WPS_AP_SEL_REG,
    358 		WPS_AP_SEL_REG_OUR
    359 	} type;
    360 	unsigned int tries;
    361 	struct os_reltime last_attempt;
    362 };
    363 
    364 struct wpa_ssid_value {
    365 	u8 ssid[32];
    366 	size_t ssid_len;
    367 };
    368 
    369 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
    370 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
    371 
    372 struct wpa_used_freq_data {
    373 	int freq;
    374 	unsigned int flags;
    375 };
    376 
    377 /**
    378  * struct wpa_supplicant - Internal data for wpa_supplicant interface
    379  *
    380  * This structure contains the internal data for core wpa_supplicant code. This
    381  * should be only used directly from the core code. However, a pointer to this
    382  * data is used from other files as an arbitrary context pointer in calls to
    383  * core functions.
    384  */
    385 struct wpa_supplicant {
    386 	struct wpa_global *global;
    387 	struct wpa_radio *radio; /* shared radio context */
    388 	struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
    389 	struct wpa_supplicant *parent;
    390 	struct wpa_supplicant *next;
    391 	struct l2_packet_data *l2;
    392 	struct l2_packet_data *l2_br;
    393 	unsigned char own_addr[ETH_ALEN];
    394 	char ifname[100];
    395 #ifdef CONFIG_CTRL_IFACE_DBUS
    396 	char *dbus_path;
    397 #endif /* CONFIG_CTRL_IFACE_DBUS */
    398 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
    399 	char *dbus_new_path;
    400 	char *dbus_groupobj_path;
    401 #ifdef CONFIG_AP
    402 	char *preq_notify_peer;
    403 #endif /* CONFIG_AP */
    404 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
    405 	char bridge_ifname[16];
    406 
    407 	char *confname;
    408 	char *confanother;
    409 
    410 #ifdef CONFIG_P2P
    411 	char *conf_p2p_dev;
    412 #endif /* CONFIG_P2P */
    413 
    414 	struct wpa_config *conf;
    415 	int countermeasures;
    416 	struct os_reltime last_michael_mic_error;
    417 	u8 bssid[ETH_ALEN];
    418 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
    419 				     * field contains the target BSSID. */
    420 	int reassociate; /* reassociation requested */
    421 	int disconnected; /* all connections disabled; i.e., do no reassociate
    422 			   * before this has been cleared */
    423 	struct wpa_ssid *current_ssid;
    424 	struct wpa_bss *current_bss;
    425 	int ap_ies_from_associnfo;
    426 	unsigned int assoc_freq;
    427 
    428 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
    429 	int pairwise_cipher;
    430 	int group_cipher;
    431 	int key_mgmt;
    432 	int wpa_proto;
    433 	int mgmt_group_cipher;
    434 
    435 	void *drv_priv; /* private data used by driver_ops */
    436 	void *global_drv_priv;
    437 
    438 	u8 *bssid_filter;
    439 	size_t bssid_filter_count;
    440 
    441 	u8 *disallow_aps_bssid;
    442 	size_t disallow_aps_bssid_count;
    443 	struct wpa_ssid_value *disallow_aps_ssid;
    444 	size_t disallow_aps_ssid_count;
    445 
    446 	enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
    447 
    448 	/* Preferred network for the next connection attempt */
    449 	struct wpa_ssid *next_ssid;
    450 
    451 	/* previous scan was wildcard when interleaving between
    452 	 * wildcard scans and specific SSID scan when max_ssids=1 */
    453 	int prev_scan_wildcard;
    454 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
    455 					  * NULL = not yet initialized (start
    456 					  * with wildcard SSID)
    457 					  * WILDCARD_SSID_SCAN = wildcard
    458 					  * SSID was used in the previous scan
    459 					  */
    460 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
    461 
    462 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
    463 	int sched_scan_timeout;
    464 	int sched_scan_interval;
    465 	int first_sched_scan;
    466 	int sched_scan_timed_out;
    467 
    468 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
    469 				 struct wpa_scan_results *scan_res);
    470 	struct dl_list bss; /* struct wpa_bss::list */
    471 	struct dl_list bss_id; /* struct wpa_bss::list_id */
    472 	size_t num_bss;
    473 	unsigned int bss_update_idx;
    474 	unsigned int bss_next_id;
    475 
    476 	 /*
    477 	  * Pointers to BSS entries in the order they were in the last scan
    478 	  * results.
    479 	  */
    480 	struct wpa_bss **last_scan_res;
    481 	unsigned int last_scan_res_used;
    482 	unsigned int last_scan_res_size;
    483 	struct os_reltime last_scan;
    484 
    485 	struct wpa_driver_ops *driver;
    486 	int interface_removed; /* whether the network interface has been
    487 				* removed */
    488 	struct wpa_sm *wpa;
    489 	struct eapol_sm *eapol;
    490 
    491 	struct ctrl_iface_priv *ctrl_iface;
    492 
    493 	enum wpa_states wpa_state;
    494 	struct wpa_radio_work *scan_work;
    495 	int scanning;
    496 	int sched_scanning;
    497 	int new_connection;
    498 
    499 	int eapol_received; /* number of EAPOL packets received after the
    500 			     * previous association event */
    501 
    502 	struct scard_data *scard;
    503 	char imsi[20];
    504 	int mnc_len;
    505 
    506 	unsigned char last_eapol_src[ETH_ALEN];
    507 
    508 	unsigned int keys_cleared; /* bitfield of key indexes that the driver is
    509 				    * known not to be configured with a key */
    510 
    511 	struct wpa_blacklist *blacklist;
    512 
    513 	/**
    514 	 * extra_blacklist_count - Sum of blacklist counts after last connection
    515 	 *
    516 	 * This variable is used to maintain a count of temporary blacklisting
    517 	 * failures (maximum number for any BSS) over blacklist clear
    518 	 * operations. This is needed for figuring out whether there has been
    519 	 * failures prior to the last blacklist clear operation which happens
    520 	 * whenever no other not-blacklisted BSS candidates are available. This
    521 	 * gets cleared whenever a connection has been established successfully.
    522 	 */
    523 	int extra_blacklist_count;
    524 
    525 	/**
    526 	 * scan_req - Type of the scan request
    527 	 */
    528 	enum scan_req_type {
    529 		/**
    530 		 * NORMAL_SCAN_REQ - Normal scan request
    531 		 *
    532 		 * This is used for scans initiated by wpa_supplicant to find an
    533 		 * AP for a connection.
    534 		 */
    535 		NORMAL_SCAN_REQ,
    536 
    537 		/**
    538 		 * INITIAL_SCAN_REQ - Initial scan request
    539 		 *
    540 		 * This is used for the first scan on an interface to force at
    541 		 * least one scan to be run even if the configuration does not
    542 		 * include any enabled networks.
    543 		 */
    544 		INITIAL_SCAN_REQ,
    545 
    546 		/**
    547 		 * MANUAL_SCAN_REQ - Manual scan request
    548 		 *
    549 		 * This is used for scans where the user request a scan or
    550 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
    551 		 * to be run.
    552 		 */
    553 		MANUAL_SCAN_REQ
    554 	} scan_req, last_scan_req;
    555 	struct os_reltime scan_trigger_time, scan_start_time;
    556 	int scan_runs; /* number of scan runs since WPS was started */
    557 	int *next_scan_freqs;
    558 	int *manual_scan_freqs;
    559 	int *manual_sched_scan_freqs;
    560 	unsigned int manual_scan_passive:1;
    561 	unsigned int manual_scan_use_id:1;
    562 	unsigned int manual_scan_only_new:1;
    563 	unsigned int own_scan_requested:1;
    564 	unsigned int own_scan_running:1;
    565 	unsigned int external_scan_running:1;
    566 	unsigned int clear_driver_scan_cache:1;
    567 	unsigned int manual_scan_id;
    568 	int scan_interval; /* time in sec between scans to find suitable AP */
    569 	int normal_scans; /* normal scans run before sched_scan */
    570 	int scan_for_connection; /* whether the scan request was triggered for
    571 				  * finding a connection */
    572 #define MAX_SCAN_ID 16
    573 	int scan_id[MAX_SCAN_ID];
    574 	unsigned int scan_id_count;
    575 
    576 	unsigned int drv_flags;
    577 	unsigned int drv_enc;
    578 
    579 	/*
    580 	 * A bitmap of supported protocols for probe response offload. See
    581 	 * struct wpa_driver_capa in driver.h
    582 	 */
    583 	unsigned int probe_resp_offloads;
    584 
    585 	/* extended capabilities supported by the driver */
    586 	const u8 *extended_capa, *extended_capa_mask;
    587 	unsigned int extended_capa_len;
    588 
    589 	int max_scan_ssids;
    590 	int max_sched_scan_ssids;
    591 	int sched_scan_supported;
    592 	unsigned int max_match_sets;
    593 	unsigned int max_remain_on_chan;
    594 	unsigned int max_stations;
    595 
    596 	int pending_mic_error_report;
    597 	int pending_mic_error_pairwise;
    598 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
    599 
    600 	struct wps_context *wps;
    601 	int wps_success; /* WPS success event received */
    602 	struct wps_er *wps_er;
    603 	int blacklist_cleared;
    604 
    605 	struct wpabuf *pending_eapol_rx;
    606 	struct os_reltime pending_eapol_rx_time;
    607 	u8 pending_eapol_rx_src[ETH_ALEN];
    608 	unsigned int last_eapol_matches_bssid:1;
    609 	unsigned int eap_expected_failure:1;
    610 	unsigned int reattach:1; /* reassociation to the same BSS requested */
    611 
    612 	struct ibss_rsn *ibss_rsn;
    613 
    614 	int set_sta_uapsd;
    615 	int sta_uapsd;
    616 	int set_ap_uapsd;
    617 	int ap_uapsd;
    618 
    619 #ifdef CONFIG_SME
    620 	struct {
    621 		u8 ssid[32];
    622 		size_t ssid_len;
    623 		int freq;
    624 		u8 assoc_req_ie[200];
    625 		size_t assoc_req_ie_len;
    626 		int mfp;
    627 		int ft_used;
    628 		u8 mobility_domain[2];
    629 		u8 *ft_ies;
    630 		size_t ft_ies_len;
    631 		u8 prev_bssid[ETH_ALEN];
    632 		int prev_bssid_set;
    633 		int auth_alg;
    634 		int proto;
    635 
    636 		int sa_query_count; /* number of pending SA Query requests;
    637 				     * 0 = no SA Query in progress */
    638 		int sa_query_timed_out;
    639 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
    640 					* sa_query_count octets of pending
    641 					* SA Query transaction identifiers */
    642 		struct os_reltime sa_query_start;
    643 		struct os_reltime last_unprot_disconnect;
    644 		u8 sched_obss_scan;
    645 		u16 obss_scan_int;
    646 		u16 bss_max_idle_period;
    647 #ifdef CONFIG_SAE
    648 		struct sae_data sae;
    649 		struct wpabuf *sae_token;
    650 		int sae_group_index;
    651 #endif /* CONFIG_SAE */
    652 	} sme;
    653 #endif /* CONFIG_SME */
    654 
    655 #ifdef CONFIG_AP
    656 	struct hostapd_iface *ap_iface;
    657 	void (*ap_configured_cb)(void *ctx, void *data);
    658 	void *ap_configured_cb_ctx;
    659 	void *ap_configured_cb_data;
    660 #endif /* CONFIG_AP */
    661 
    662 	unsigned int off_channel_freq;
    663 	struct wpabuf *pending_action_tx;
    664 	u8 pending_action_src[ETH_ALEN];
    665 	u8 pending_action_dst[ETH_ALEN];
    666 	u8 pending_action_bssid[ETH_ALEN];
    667 	unsigned int pending_action_freq;
    668 	int pending_action_no_cck;
    669 	int pending_action_without_roc;
    670 	unsigned int pending_action_tx_done:1;
    671 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
    672 					    unsigned int freq, const u8 *dst,
    673 					    const u8 *src, const u8 *bssid,
    674 					    const u8 *data, size_t data_len,
    675 					    enum offchannel_send_action_result
    676 					    result);
    677 	unsigned int roc_waiting_drv_freq;
    678 	int action_tx_wait_time;
    679 
    680 	int p2p_mgmt;
    681 
    682 #ifdef CONFIG_P2P
    683 	struct p2p_go_neg_results *go_params;
    684 	int create_p2p_iface;
    685 	u8 pending_interface_addr[ETH_ALEN];
    686 	char pending_interface_name[100];
    687 	int pending_interface_type;
    688 	int p2p_group_idx;
    689 	unsigned int pending_listen_freq;
    690 	unsigned int pending_listen_duration;
    691 	enum {
    692 		NOT_P2P_GROUP_INTERFACE,
    693 		P2P_GROUP_INTERFACE_PENDING,
    694 		P2P_GROUP_INTERFACE_GO,
    695 		P2P_GROUP_INTERFACE_CLIENT
    696 	} p2p_group_interface;
    697 	struct p2p_group *p2p_group;
    698 	int p2p_long_listen; /* remaining time in long Listen state in ms */
    699 	char p2p_pin[10];
    700 	int p2p_wps_method;
    701 	u8 p2p_auth_invite[ETH_ALEN];
    702 	int p2p_sd_over_ctrl_iface;
    703 	int p2p_in_provisioning;
    704 	int p2p_in_invitation;
    705 	int p2p_invite_go_freq;
    706 	int pending_invite_ssid_id;
    707 	int show_group_started;
    708 	u8 go_dev_addr[ETH_ALEN];
    709 	int pending_pd_before_join;
    710 	u8 pending_join_iface_addr[ETH_ALEN];
    711 	u8 pending_join_dev_addr[ETH_ALEN];
    712 	int pending_join_wps_method;
    713 	u8 p2p_join_ssid[32];
    714 	size_t p2p_join_ssid_len;
    715 	int p2p_join_scan_count;
    716 	int auto_pd_scan_retry;
    717 	int force_long_sd;
    718 	u16 pending_pd_config_methods;
    719 	enum {
    720 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
    721 	} pending_pd_use;
    722 
    723 	/*
    724 	 * Whether cross connection is disallowed by the AP to which this
    725 	 * interface is associated (only valid if there is an association).
    726 	 */
    727 	int cross_connect_disallowed;
    728 
    729 	/*
    730 	 * Whether this P2P group is configured to use cross connection (only
    731 	 * valid if this is P2P GO interface). The actual cross connect packet
    732 	 * forwarding may not be configured depending on the uplink status.
    733 	 */
    734 	int cross_connect_enabled;
    735 
    736 	/* Whether cross connection forwarding is in use at the moment. */
    737 	int cross_connect_in_use;
    738 
    739 	/*
    740 	 * Uplink interface name for cross connection
    741 	 */
    742 	char cross_connect_uplink[100];
    743 
    744 	unsigned int p2p_auto_join:1;
    745 	unsigned int p2p_auto_pd:1;
    746 	unsigned int p2p_persistent_group:1;
    747 	unsigned int p2p_fallback_to_go_neg:1;
    748 	unsigned int p2p_pd_before_go_neg:1;
    749 	unsigned int p2p_go_ht40:1;
    750 	unsigned int p2p_go_vht:1;
    751 	unsigned int user_initiated_pd:1;
    752 	unsigned int p2p_go_group_formation_completed:1;
    753 	unsigned int waiting_presence_resp;
    754 	int p2p_first_connection_timeout;
    755 	unsigned int p2p_nfc_tag_enabled:1;
    756 	unsigned int p2p_peer_oob_pk_hash_known:1;
    757 	unsigned int p2p_disable_ip_addr_req:1;
    758 	int p2p_persistent_go_freq;
    759 	int p2p_persistent_id;
    760 	int p2p_go_intent;
    761 	int p2p_connect_freq;
    762 	struct os_reltime p2p_auto_started;
    763 	struct wpa_ssid *p2p_last_4way_hs_fail;
    764 	struct wpa_radio_work *p2p_scan_work;
    765 	struct wpa_radio_work *p2p_listen_work;
    766 	struct wpa_radio_work *p2p_send_action_work;
    767 
    768 	u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
    769 	struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
    770 					* formation */
    771 	u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
    772 	u8 p2p_ip_addr_info[3 * 4];
    773 #endif /* CONFIG_P2P */
    774 
    775 	struct wpa_ssid *bgscan_ssid;
    776 	const struct bgscan_ops *bgscan;
    777 	void *bgscan_priv;
    778 
    779 	const struct autoscan_ops *autoscan;
    780 	struct wpa_driver_scan_params *autoscan_params;
    781 	void *autoscan_priv;
    782 
    783 	struct wpa_ssid *connect_without_scan;
    784 
    785 	struct wps_ap_info *wps_ap;
    786 	size_t num_wps_ap;
    787 	int wps_ap_iter;
    788 
    789 	int after_wps;
    790 	int known_wps_freq;
    791 	unsigned int wps_freq;
    792 	int wps_fragment_size;
    793 	int auto_reconnect_disabled;
    794 
    795 	 /* Channel preferences for AP/P2P GO use */
    796 	int best_24_freq;
    797 	int best_5_freq;
    798 	int best_overall_freq;
    799 
    800 	struct gas_query *gas;
    801 
    802 #ifdef CONFIG_INTERWORKING
    803 	unsigned int fetch_anqp_in_progress:1;
    804 	unsigned int network_select:1;
    805 	unsigned int auto_select:1;
    806 	unsigned int auto_network_select:1;
    807 	unsigned int fetch_all_anqp:1;
    808 	unsigned int fetch_osu_info:1;
    809 	unsigned int fetch_osu_icon_in_progress:1;
    810 	struct wpa_bss *interworking_gas_bss;
    811 	unsigned int osu_icon_id;
    812 	struct osu_provider *osu_prov;
    813 	size_t osu_prov_count;
    814 	struct os_reltime osu_icon_fetch_start;
    815 	unsigned int num_osu_scans;
    816 	unsigned int num_prov_found;
    817 #endif /* CONFIG_INTERWORKING */
    818 	unsigned int drv_capa_known;
    819 
    820 	struct {
    821 		struct hostapd_hw_modes *modes;
    822 		u16 num_modes;
    823 		u16 flags;
    824 	} hw;
    825 #ifdef CONFIG_MACSEC
    826 	struct ieee802_1x_kay *kay;
    827 #endif /* CONFIG_MACSEC */
    828 
    829 	int pno;
    830 	int pno_sched_pending;
    831 
    832 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
    833 	int disconnect_reason;
    834 
    835 	struct ext_password_data *ext_pw;
    836 
    837 	struct wpabuf *last_gas_resp, *prev_gas_resp;
    838 	u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
    839 	u8 last_gas_dialog_token, prev_gas_dialog_token;
    840 
    841 	unsigned int no_keep_alive:1;
    842 	unsigned int ext_mgmt_frame_handling:1;
    843 
    844 #ifdef CONFIG_WNM
    845 	u8 wnm_dialog_token;
    846 	u8 wnm_reply;
    847 	u8 wnm_num_neighbor_report;
    848 	u8 wnm_mode;
    849 	u16 wnm_dissoc_timer;
    850 	u8 wnm_validity_interval;
    851 	u8 wnm_bss_termination_duration[12];
    852 	struct neighbor_report *wnm_neighbor_report_elements;
    853 #endif /* CONFIG_WNM */
    854 
    855 #ifdef CONFIG_TESTING_GET_GTK
    856 	u8 last_gtk[32];
    857 	size_t last_gtk_len;
    858 #endif /* CONFIG_TESTING_GET_GTK */
    859 
    860 	unsigned int num_multichan_concurrent;
    861 	struct wpa_radio_work *connect_work;
    862 
    863 	unsigned int ext_work_id;
    864 
    865 	struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
    866 };
    867 
    868 
    869 /* wpa_supplicant.c */
    870 void wpa_supplicant_apply_ht_overrides(
    871 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    872 	struct wpa_driver_associate_params *params);
    873 void wpa_supplicant_apply_vht_overrides(
    874 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    875 	struct wpa_driver_associate_params *params);
    876 
    877 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    878 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
    879 				    struct wpa_ssid *ssid);
    880 
    881 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
    882 
    883 const char * wpa_supplicant_state_txt(enum wpa_states state);
    884 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
    885 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
    886 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
    887 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
    888 			      u8 *wpa_ie, size_t *wpa_ie_len);
    889 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
    890 			      struct wpa_bss *bss,
    891 			      struct wpa_ssid *ssid);
    892 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
    893 				       struct wpa_ssid *ssid);
    894 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
    895 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
    896 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
    897 				     int sec, int usec);
    898 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
    899 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
    900 			      enum wpa_states state);
    901 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
    902 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
    903 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
    904 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
    905 				   int reason_code);
    906 
    907 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
    908 				   struct wpa_ssid *ssid);
    909 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
    910 				    struct wpa_ssid *ssid);
    911 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
    912 				   struct wpa_ssid *ssid);
    913 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
    914 					   const char *pkcs11_engine_path,
    915 					   const char *pkcs11_module_path);
    916 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
    917 			       int ap_scan);
    918 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
    919 					  unsigned int expire_age);
    920 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
    921 					    unsigned int expire_count);
    922 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
    923 				     int scan_interval);
    924 int wpa_supplicant_set_debug_params(struct wpa_global *global,
    925 				    int debug_level, int debug_timestamp,
    926 				    int debug_show_keys);
    927 void free_hw_features(struct wpa_supplicant *wpa_s);
    928 
    929 void wpa_show_license(void);
    930 
    931 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
    932 						 struct wpa_interface *iface);
    933 int wpa_supplicant_remove_iface(struct wpa_global *global,
    934 				struct wpa_supplicant *wpa_s,
    935 				int terminate);
    936 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
    937 						 const char *ifname);
    938 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
    939 int wpa_supplicant_run(struct wpa_global *global);
    940 void wpa_supplicant_deinit(struct wpa_global *global);
    941 
    942 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
    943 			      struct wpa_ssid *ssid);
    944 void wpa_supplicant_terminate_proc(struct wpa_global *global);
    945 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
    946 			     const u8 *buf, size_t len);
    947 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
    948 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
    949 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
    950 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
    951 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
    952 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
    953 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
    954 			      struct wpa_ssid *ssid, int clear_failures);
    955 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
    956 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
    957 		    size_t ssid_len);
    958 void wpas_request_connection(struct wpa_supplicant *wpa_s);
    959 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
    960 
    961 /**
    962  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
    963  * @wpa_s: Pointer to wpa_supplicant data
    964  * @ssid: Pointer to the network block the reply is for
    965  * @field: field the response is a reply for
    966  * @value: value (ie, password, etc) for @field
    967  * Returns: 0 on success, non-zero on error
    968  *
    969  * Helper function to handle replies to control interface requests.
    970  */
    971 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
    972 					      struct wpa_ssid *ssid,
    973 					      const char *field,
    974 					      const char *value);
    975 
    976 /* events.c */
    977 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
    978 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
    979 			   struct wpa_bss *selected,
    980 			   struct wpa_ssid *ssid);
    981 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
    982 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
    983 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
    984 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
    985 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
    986 					     struct wpa_ssid **selected_ssid);
    987 
    988 /* eap_register.c */
    989 int eap_register_methods(void);
    990 
    991 /**
    992  * Utility method to tell if a given network is a persistent group
    993  * @ssid: Network object
    994  * Returns: 1 if network is a persistent group, 0 otherwise
    995  */
    996 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
    997 {
    998 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
    999 }
   1000 
   1001 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
   1002 
   1003 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
   1004 
   1005 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
   1006 		    struct wpa_used_freq_data *freqs_data,
   1007 		    unsigned int len);
   1008 
   1009 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
   1010 				struct wpa_used_freq_data *freqs_data,
   1011 				unsigned int len);
   1012 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
   1013 			   int *freq_array, unsigned int len);
   1014 
   1015 #endif /* WPA_SUPPLICANT_I_H */
   1016